#91C8C8
Approximate name: Sky Blue
Technical formats
Color-space values for scientific work and cross-device comparison.
Practical formats
Ready to paste into CSS, Tailwind, iOS, Android, Flutter, and more.
Color analysis
Objective metrics: luminance, hue, saturation, temperature, and contrast.
Nearest name
SkyBlue
Relative luminance
0.515
Hue H
180°
Saturation S
33%
Lightness L
68%
Value V
78%
Temperature
Cool
Brightness
Medium
Chroma
Muted
Hue family
Cyan
Contrast on white: 1.86:1 (AA body Fail / AAA Fail)
Contrast on black: 11.30:1 (AA body Pass / AAA Pass)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#91c8c8
Protanopia
#a9a9c8
Deuteranopia
#a6a2c8
Tritanopia
#94c8c8
Achromatopsia
#b8b8b8
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.